package collection;

import java.util.ArrayList;
import java.util.List;

public class SubListDemo {
    public static void main(String[] args) {

        /*
        List subList(int start,int end)(含头不含尾)
        */
        List<Integer>list=new ArrayList<>();
        for (int i = 0; i < 10; i++) {
            list.add(i*10);
        }
        System.out.println(list);
        List<Integer> subList=list.subList(3,8);
        System.out.println(subList);

        //将子集的元素扩大十倍

        for (int i = 0; i < subList.size(); i++) {
            subList.set(i, subList.get(i)*10);
        }
        System.out.println(subList);
        System.out.println(list);

        list.set(3,1000);
        System.out.println(list);
        System.out.println(subList);
        list.remove(0);
        System.out.println(list);
        //原集合长度修改之后，子集将不能再进行任何操作，操作则发生异常，但可以重新获取子集
        //System.out.println(subList);
        List<Integer> num=list.subList(2,7);
        System.out.println(num);

    }
}
